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One-year evaluation of an Ormocer restorative-a multipractice clinical trial
Michael Rosin1, Heike Steffen, Corinna Konschake
1Department of Operative Dentistry, University of Greifswald, Greifswald, Germany. rosin@uni-greifswald.de
Clinical Oral Investigations
|April 4, 2003
Summary
This study assessed Ormocer restorative material with a self-conditioning adhesive over 12 months. While clinically effective, marginal quality and retention, especially for class V restorations, require further investigation.
Area of Science:
- Dentistry
- Materials Science
Background:
- Dental restorations are crucial for oral health.
- Ormocer materials offer potential benefits in restorative dentistry.
- Self-conditioning adhesives simplify the bonding procedure.
Purpose of the Study:
- To evaluate the 12-month clinical performance of Ormocer restorative material.
- To assess its efficacy when used with a self-conditioning adhesive.
- To identify any limitations or areas for improvement in clinical application.
Main Methods:
- Prospective, long-term clinical study involving 117 patients.
- 356 Ormocer restorations placed across various cavity classes (I-V).
- Clinical performance evaluated using modified Ryge criteria, occlusal wear analysis (3D laser scanner), and SEM marginal analysis.
Main Results:
- High retention rates observed for most restoration classes after 12 months.
- Significant decrease in marginal integrity noted (48.7% to 17.7%).
- Class V restorations showed particular concerns regarding marginal quality and retention.
Conclusions:
- Ormocer restorative material demonstrates clinical effectiveness with self-conditioning adhesives over 12 months.
- Further research is needed to address challenges with marginal integrity and retention, particularly for class V restorations.
- The material shows promise but requires optimization for long-term marginal stability.